| Idaho Falls to Idar-Oberstein | 5,032.92 mi (8,099.70 km) |
| Idaho Falls to Idstein | 5,034.58 mi (8,102.37 km) |
| Idaho Falls to Illertissen | 5,193.02 mi (8,357.35 km) |
| Idaho Falls to Illingen | 5,042.52 mi (8,115.15 km) |
| Idaho Falls to Ilmenau | 5,085.19 mi (8,183.83 km) |
| Idaho Falls to Ilsede | 4,980.88 mi (8,015.95 km) |
| Idaho Falls to Ilsenburg | 5,015.70 mi (8,072.00 km) |
| Idaho Falls to Ilsfeld | 5,124.43 mi (8,246.97 km) |
| Idaho Falls to Ilvesheim | 5,082.25 mi (8,179.09 km) |
| Idaho Falls to Immenstadt im Allgau | 5,231.65 mi (8,419.53 km) |
| Idaho Falls to Ingelheim | 5,041.07 mi (8,112.82 km) |
| Idaho Falls to Ingolstadt | 5,202.47 mi (8,372.57 km) |
| Idaho Falls to Iserlohn | 4,956.70 mi (7,977.04 km) |
| Idaho Falls to Isernhagen-Sud | 4,963.15 mi (7,987.42 km) |
| Idaho Falls to Ismaning | 5,238.52 mi (8,430.58 km) |
